SSC JE Mechanical Engineering 27th Jan 2018 Shift-2
For the following questions answer them individually
Which of the following properties are not sufficient to determine the properties of a vapour? 1. Temperature 2. Pressure 3. Dryness fraction 4. Specific volume
Which equation clearly defines the entropy change during the constant pressure process for a system with m kg of gas at pressure $$P_1$$ , volume $$V_1$$, . temperature $$T_1$$ and entropy $$s_1$$, when heated to state points of pressure $$P_2$$ , volume $$V_2$$, temperature $$T_2$$ and entropy $$s_2$$?
For the given process 1-2-3-4-1 consisting of two isentropic and two isochoric process on a P-V scale.
Which is the CORRECT representation of the above process on a T-S scale?
Which of the following equation is TRUE for entropy generation ($$\triangle s$$) for an irreversible and reversible process?
Which equation is the CORRECT representation for the steady flow energy equation for a nozzle?
If the ratio of the lower absolute temperature is 7/8, then what will the COP of the Carnot refrigerator?
